Re: [gpsd-users] hdop vdop pdop <-> NaN

[Luca]

> I'm using libgpsmm to poll GPS data from a GPSD.
> 
> I've troubles polling hdop vdop and pdop, i.e. they are NaN.
> 
> Using gpsmom, DOP H, V & P have correct values:
> Mode: A 3
> Sats: 7 8 21 28
> DOP: H=14.8  V=1.0   P=14.9
> 
> I've cross compiled GPSD 3.7 for ppc_8xx with the following options:
> 
> usb = False
> bluez = False
> libQgpsmm = False
> ncurses = False
> python = False
> chrpath = False
> prefix = '/srv/rec/rootfs-user/usr/local'
> target = 'ppc_8xx'
> sysroot = '/opt/eldk_4.2/ppc_8xx/usr/include'
> 
>>From the code, I'm query as following:
> 
> [...]
> 
> pNewGpsData = gps_rec.read()
> 
> hdop = pNewGpsData->dop.hdop
> vdop = pNewGpsData->dop.vdop
> pdop = pNewGpsData->dop.pdop
> 
> [...]
> 
> But, hdop, vdop, pdop are NaN.
> 
> Can you give me some help?
> 
> Thanks.
> 
> All the best,
> Luca.

Hi, does someone have an idea about this issue ?

Thanks.